Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for › D21H 23 - Processes or apparatus for adding material to the pulp or to the paper
Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
11/2000
11/22/2000EP0713547B1 A process for making a paper based product containing a binder
11/22/2000CN1274028A Method of producing paper or paperboard and paper maker or paperboard maker
11/21/2000US6150005 Synthetic paper
11/21/2000US6149769 Soft tissue having temporary wet strength
11/16/2000WO2000068503A1 Process and apparatus for applying chemical papermaking additives to web substrate
11/16/2000DE19922391A1 Siebwasserkreislauf und Verfahren zur Wasserzirkulation einer Papiermaschine White water circuit and method for water circulation of a paper machine
11/16/2000DE19922390A1 Tiefdruck-Papier und Herstellungsverfahren für dieses Papier Gravure paper and manufacturing method of this paper
11/15/2000EP1052328A2 Gravure paper and a method for its production
11/15/2000EP1052327A1 White water circuit and process for the circulation of water in a papermachine
11/15/2000EP0856083B1 Method of creping a paper
11/14/2000US6146710 Method of applying a powder coating to a length of a lignocellulosic material
11/14/2000US6146690 Coating device and coating method
11/09/2000WO2000066835A1 Paper products and a method for applying an adsorbable chemical additive to cellulosic fibers
11/09/2000WO2000066834A1 Paper coating composition with improved optical brighteners carriers
11/09/2000DE19921592A1 Applikationsvorrichtung und -verfahren für eine Papiermaschine Application apparatus and method for a paper machine
11/09/2000CA2370175A1 Paper coating composition with improved optical brighteners carriers
11/08/2000EP1050622A2 Application device and process for a papermaking machine
11/08/2000EP1049832A1 Cationic starch/cationic galactomannan gum blends as strength and drainage aids
11/02/2000EP1047836A1 Method and apparatus for processing a discontinuous coating on a substrate
11/02/2000EP1047834A1 Silica-acid colloid blend in a microparticle system used in papermaking
11/01/2000CN1271795A Antibacterial paper and its paper-making technology
10/2000
10/26/2000WO2000063494A1 Coating device
10/26/2000WO2000063493A1 Sizing composition
10/26/2000DE19918011A1 Assembly to clean the surface of a counter roller at a web coating station, applies only sufficient cleaning fluid to moisten and dilute detected ink etc on the roller surface without scrapers
10/25/2000EP1045873A1 Biodegradable and biocompatible agricultural mulch and method of preparing same
10/25/2000EP0776397B1 Process of improving paper strength
10/24/2000US6136147 Method for applying debonding materials to a tissue
10/24/2000CA2138994C Paper colouring apparatus
10/24/2000CA2101358C Fountain applicator for coating a paper web and method
10/18/2000EP1044300A1 Method for making a cellulosic web with improved wet-tensile strength
10/17/2000US6133168 Substrate having an adhered primer layer and extrusion-coated with monolithic layer of breathable copolyester; construction materials, moisture vapor transmission rate (mvtr)
10/17/2000US6132855 Coating consist of pigments and binder
10/17/2000US6132807 Adjusting position of doctor element to press at predetermined contact pressure against counter-surface by adjusting doctor element support into predetermined position; applying medium to web; altering forces excerted on web to change geometry
10/17/2000US6132558 Process for producing paper and cardboard
10/17/2000CA2143340C Process for applying chemical papermaking additives from a thin film to tissue paper
10/11/2000EP1042558A1 Profiling wet end starch applicator
10/11/2000EP1042556A1 Paper products and methods for applying chemical additives to cellulosic fibers
10/11/2000EP1042553A1 Method and equipment for controlling properties of paper
10/11/2000EP0910701B1 Process for producing paper and cardboard
10/11/2000CN1269855A Paper-making method
10/10/2000US6129978 Web that either has some of its fibers or structural elements encapsulated by a silicon polymer while at least some of interstitial spaces are open
10/05/2000DE19914967A1 Coating station to apply a film and glue to one or both sides of a paper or cardboard web has an array of rollers between adjacent drying groups to give a direct or indirect coating
10/04/2000EP1040227A1 Slit nozzle for coating strips of material, especially paper or board strips, with a pigment coating
10/04/2000EP1040226A1 Dull cast-coated paper and method for manufacturing thereof
10/04/2000EP1040225A1 Method and assembly for controlling mist and dust in the manufacture and finishing of paper and board
10/04/2000CN1268923A Sheet having powder coated thereon, and prodn. and use thereof
10/03/2000US6126784 Depositing the chemical additive including a softener only to the first side of the fibrous web, partially transferring the chemical additive from the first side to the second side of the fibrous web, winding the web into a roll
10/03/2000US6126783 Feeding an inorganic filler particle and an acrylonitrile copolymer having a comonomer selected from the acrylate, methacrylate, hydroxy acrylates or methacrylates, vinyl acrylate or styrene, to a paper furnish, forming paper sheet
10/03/2000US6126751 Application unit for directly or indirectly applying a liquid or pasty medium to a continuous material web
10/03/2000US6126750 Device used to indirectly apply a liquid or viscous medium onto a material web, specifically a paper or cardboard web
09/2000
09/28/2000WO2000056978A1 Method for increasing filler retention of cellulosic fiber sheets
09/28/2000WO2000056468A1 Method and device for coating a support using a crosslinkable silicone composition
09/27/2000EP1039026A1 Manufacture of paper
09/26/2000US6123795 Method of preparing a sheet of a lignocellulosic material for the manufacture of a finished product and method of manufacture of a finished product
09/26/2000US6123772 Assembly for a paper web coating line
09/26/2000US6123770 Apparatus for coating a paper web
09/21/2000WO2000055425A1 Apparatus for spreading treating mix on a moving paper - or carboard web
09/21/2000WO2000055424A1 Method and apparatus for manufacturing coated paper and a coated paper
09/21/2000WO2000055423A1 Method and apparatus for handling a paper or board web
09/21/2000WO2000032875A8 Double corona treatment of a polymer coated paperboard material
09/21/2000CA2365991A1 Method and apparatus for manufacturing coated paper and a coated paper
09/20/2000CN1266748A Apparatus and method for two-face treatment of sheet
09/20/2000CN1266747A Apparatus and method for two-face treatment of sheet
09/19/2000US6120784 Applying coating of polyvinylpyrrolidinone-iodine
09/19/2000US6120644 Tissue containing cationic amidoamine compounds
09/14/2000WO2000053414A1 Method to manufacture a packaging material
09/13/2000EP1035255A1 System and method for two sided sheet treating
09/13/2000EP1035254A1 System and method for two sided sheet treating
09/12/2000US6117491 Coating a cellulose web with color polymer
09/08/2000WO2000052266A1 Method for controlling the moisture of a web in machine direction on a coating machine and calender
09/08/2000WO2000052265A1 Method for controlling the moisture of a web in machine direction on a coating machine
09/06/2000CN1265715A Method for treating fibrous cellulosic materials
09/06/2000CN1265714A Surface coatings
09/05/2000US6114471 Strengthening compositions and treatments for lignocellulosic materials
09/05/2000US6113981 Process for coating paperboard with a water-dispersible polyester polymer
09/05/2000US6113741 Process for the production of paper
08/2000
08/30/2000EP0948677B1 Method for producing paper
08/30/2000CN1265169A Method of preparing sheet of lignocellulosic material for manufacture of finished product and method of manufacture of finished product
08/29/2000US6110552 Release liners for pressure sensitive adhesive labels
08/24/2000DE19907079A1 System to counter contact oscillation in paired rollers processing a paper web has force units and tensioners within the rollers to modify their inner tension under control according to sensor measurements
08/23/2000EP1029125A1 Polymer composition for improved retention, drainage and formation in papermaking
08/23/2000EP0880619B1 Method of preparing a sheet of a lignocellulosic material for the manufacture of a finished product and method of manufacture of a finished product
08/22/2000US6106902 Applying coating to paper or paperboard on moving webs
08/22/2000US6106619 Thermally compensated coater rod
08/17/2000WO2000047817A1 Stabilized filler, its production and use
08/16/2000EP1027470A1 Coating bar for pulp and paper manufacture
08/15/2000US6103314 Method and assembly for coating a paper web
08/15/2000US6103065 Method for reducing the polymer and bentonite requirement in papermaking
08/15/2000US6103064 Process for the production of paper
08/10/2000DE19905317A1 Liquid or paste application device for running backing, with convex side of sieve element facing backing
08/09/2000EP1025311A1 Production of mottled paper
08/09/2000CN1262715A Method for making paper using gelling system
08/08/2000US6100322 Process for the production of paper
08/08/2000US6099909 Method and device for coating a size-press roll, paper, or board
08/08/2000US6099689 Production of paper and board products with improved retention, drainage and formation
08/08/2000US6099656 Scraping undesirable particles from a coating medium discharge before applying the coatings onto a moving fiber material web
08/03/2000WO2000044983A1 Aqueous polymeric emulsion compositions and their use for the sizing of paper
08/03/2000WO2000044981A1 Doctor blade mounting assembly
08/03/2000WO2000044980A1 Machine and method for producing a multilayer web of fibrous material
08/03/2000WO1999061703A8 Use of colloidal precipitated calcium carbonate as a filler in the preparation of paper
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